     public class pp14
    {
     public static void main(String[] args)
{
   System.out.println("使用码云和博客园做实验http://www.cnblogs.com/rocedu/p/6482354.html,\n"+
  "百度https://www.baidu.com/,\n实验楼https://www.shiyanlou.com/courses/running");
    }
}
